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Metol - photographic grade, purum, ≥98%(HPLC) , CAS No.55-55-0

CAS: 55-55-0 Cat. No.: M432902 Formula: C7H9NO·1/2H2SO4 Molecular Weight: 172.19 Beilstein Registry Number: 3919382 EC Number: 200-237-1 PubChem CID: 5930
4 Citations COA
Metol - purum, photographic grade, ≥98%(HPLC) CAS No(55-55-0) by Aladdin Scientific
AVAILABLE TO ORDER
GRADE & PURITY Photographic grade ? Photographic grade — purity suited to photographic chemistry and imaging. Use in film/print processing where impurities affect image quality. purum ? Purum — pure grade, typically ≥97%, above technical but below puriss. Use for synthesis and prep where moderate-high purity suffices. ≥98%(HPLC)
Synonyms
Genol | Phenol, p-(methylamino)-, sulfate (2:1) (salt) | 4-(Methylamino)phenol hemisulfate salt | bis[4-(methylamino)phenol] sulfate | EINECS 200-237-1 | Bis(4-hydroxy-N-methylanilinium) sulphate | p-Methylaminophenol sulfate (VAN) | P-METHYLAMINOPHENOL S
Storage
Protected from light,Room temperature,Argon charged
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
100g
M432902-100g
Made to order · 8–12 wks
€57.18
500g
M432902-500g
Made to order · 8–12 wks
€201.23
Enter a quantity for the sizes you want to add.
Bulk / Custom
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SDS
Safety data
COA
Certificate
DS
Datasheet
SP
Spec sheet
Specifications Names and Identifiers Documentation Advanced Data Associated Targets(Human) Associated Targets(non-human) Mechanisms of Action Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Documents & Articles Citations of This Product Solution Calculators Reviews
🧪
Why this grade

photographic grade, purum, ≥98%(HPLC) Photographic grade,purum for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Room temperature,Argon charged Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 4 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Genol | Phenol, p-(methylamino)-, sulfate (2:1) (salt) | 4-(Methylamino)phenol hemisulfate salt | bis[4-(methylamino)phenol] sulfate | EINECS 200-237-1 | Bis(4-hydroxy-N-methylanilinium) sulphate | p-Methylaminophenol sulfate (VAN) | P-METHYLAMINOPHENOL S
Specifications & Purity
photographic grade, purum, ≥98%(HPLC)
Storage
Protected from light,Room temperature,Argon charged
Shipped In
Normal
Grade
Photographic grade, purum
Purity
≥98%(HPLC)
Names and Identifiers
Isomeric SMILES
CNC1=CC=C(C=C1)O.CNC1=CC=C(C=C1)O.OS(=O)(=O)O
WGK Germany
3
RTECS
SL8650000
PubChem CID
5930
UN Number
3077(international)
Packing Group
III
Molecular Weight
172.19
Beilstein
3919382
Reaxy-Rn
3919382

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Associated Targets(Human)
ESR1 Tclin Estrogen receptor alpha (17718 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NR3C1 Tclin Glucocorticoid receptor (14987 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AR Tclin Androgen Receptor (11781 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
VDR Tclin Vitamin D receptor (26531 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PPARG Tclin Peroxisome proliferator-activated receptor gamma (15191 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
THRB Tclin Thyroid hormone receptor beta-1 (7926 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
RXRA Tclin Retinoid X receptor alpha (3637 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CXCL8 Tchem Interleukin-8 (642 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GBA1 Tclin Beta-glucocerebrosidase (14647 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ALDH1A1 Tchem Aldehyde dehydrogenase 1A1 (77053 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NR1H4 Tclin Bile acid receptor FXR (6228 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CASP1 Tchem Caspase-1 (6235 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ALOX15 Tchem Arachidonate 15-lipoxygenase (7108 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP3A4 Tclin Cytochrome P450 3A4 (53859 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TP53 Tchem Cellular tumor antigen p53 (48468 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Lymphoblastoid cell (5959 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HIF1A Tchem Hypoxia-inducible factor 1 alpha (6027 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HSD17B10 Tchem Endoplasmic reticulum-associated amyloid beta-peptide-binding protein (20669 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
RECQL Tbio ATP-dependent DNA helicase Q1 (5575 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HPGD Tchem 15-hydroxyprostaglandin dehydrogenase [NAD+] (24926 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Ppard Peroxisome proliferator-activated receptor delta (358 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
lef Anthrax lethal factor (7585 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Nfe2l2 Nuclear factor erythroid 2-related factor 2 (214 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Rorc Nuclear receptor ROR-gamma (89407 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Impa1 Inositol monophosphatase 1 (16203 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates（CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

2 results found

Lot NumberCertificate TypeDateItem
H2506123Certificate of AnalysisAug 10, 2025 M432902
H2506122Certificate of AnalysisAug 08, 2025 M432902
Chemical and Physical Properties
SolubilityH2O: 50mg/mL, clear
SensitivityLight and air sensitive
Flash Point(°F)210.2 °F
Flash Point(°C)99 °C
Melt Point(°C)259-260°C
Molecular Weight344.390 g/mol
XLogP3
Hydrogen Bond Donor Count6
Hydrogen Bond Acceptor Count8
Rotatable Bond Count2
Exact Mass344.104 Da
Monoisotopic Mass344.104 Da
Topological Polar Surface Area148.000 Ų
Heavy Atom Count23
Formal Charge0
Complexity158.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
Documents & Articles
A Lab Guide to Photographic Grade Reagents: Standards, QC, and Selection Tips
Categories: Reagent Specifications, Grading and Purity
Tags:
Grade Photographic Grade
What Grade Is Purum? From Grade Meaning and Specification Interpretation to Reagent Selection
Categories: Reagent Specifications, Grading and Purity
Tags:
Grade Purum
Citations of This Product
How to Cite Aladdin Scientific Products? Citations Search
Solution Calculators
Reviews

Customer Reviews

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